$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
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Must have
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719 challenges · browse all techniques

Challenge CTF Weight Category Has
Free_Parking_Network_v2 GPN 2025 – Web files
Git_Gud GPN 2025 – Misc files
Honeypot GPN 2025 – Reverse files
Intro_to_Part_1 GPN 2025 – Web files
Intro_to_Part_2 GPN 2025 – Web files
Intro_to_Part_3 GPN 2025 – Web files
Intro_to_Part_4 GPN 2025 – Web files
Intro_to_Part_5 GPN 2025 – Web files
JShellCode GPN 2025 – Pwn files
MiniDSP GPN 2025 – Reverse files
NASA GPN 2025 – Pwn files
Note_Editor GPN 2025 – Pwn files
PAINting_Dice GPN 2025 – Web files
Paranoid GPN 2025 – Crypto files
Pro_v_b_ably_secure GPN 2025 – Crypto files
Real_Christmas GPN 2025 – Web files
Real_Christmas_V2 GPN 2025 – Web files
Secure_by_Default GPN 2025 – Web files
Smile_at_me GPN 2025 – Web files
TES GPN 2025 – Crypto files
Terminator_2 GPN 2025 – Pwn files
The_old_way GPN 2025 – Reverse files
Yavascript_Blog GPN 2025 – Web files
Yavascript_Blog_CSP_Edition GPN 2025 – Web files
hinting GPN 2025 – Crypto files
no_nc GPN 2025 – Pwn files
variants GPN 2025 – Reverse files
AKTIVKATALOG_INTRO Hack.lu 2025 98.02 Misc files
BILLY_BOARD Hack.lu 2025 98.02 Web files
CODEBULLAR Hack.lu 2025 98.02 Misc files
CUSTOMER_SUPPORT Hack.lu 2025 98.02 Misc files
ENCODE Hack.lu 2025 98.02 Crypto files
FANGELSE Hack.lu 2025 98.02 Misc files
FLUXKAMANUAL Hack.lu 2025 98.02 Crypto files
FONSTER Hack.lu 2025 98.02 Pwn files
GATTA Hack.lu 2025 98.02 Reverse files
GLODLAMPOR Hack.lu 2025 98.02 Crypto files
GRAFANA Hack.lu 2025 98.02 Web files
HAKKSHOP Hack.lu 2025 98.02 Web files
INSTRUCTIONS_UNCLEAR Hack.lu 2025 98.02 Reverse files